/*
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*
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* (C) COPYRIGHT 2014-2016 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained
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* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* Register-based HW access backend specific APIs
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*/
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#ifndef _KBASE_HWACCESS_GPU_H_
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#define _KBASE_HWACCESS_GPU_H_
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#include <backend/gpu/mali_kbase_pm_internal.h>
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/**
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* kbase_gpu_irq_evict - Evict an atom from a NEXT slot
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*
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* @kbdev: Device pointer
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* @js: Job slot to evict from
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*
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* Evict the atom in the NEXT slot for the specified job slot. This function is
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* called from the job complete IRQ handler when the previous job has failed.
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*
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* Return: true if job evicted from NEXT registers, false otherwise
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*/
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bool kbase_gpu_irq_evict(struct kbase_device *kbdev, int js);
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/**
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* kbase_gpu_complete_hw - Complete an atom on job slot js
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*
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* @kbdev: Device pointer
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* @js: Job slot that has completed
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* @completion_code: Event code from job that has completed
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* @job_tail: The tail address from the hardware if the job has partially
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* completed
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* @end_timestamp: Time of completion
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*/
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void kbase_gpu_complete_hw(struct kbase_device *kbdev, int js,
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u32 completion_code,
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u64 job_tail,
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ktime_t *end_timestamp);
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/**
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* kbase_gpu_inspect - Inspect the contents of the HW access ringbuffer
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*
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* @kbdev: Device pointer
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* @js: Job slot to inspect
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* @idx: Index into ringbuffer. 0 is the job currently running on
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* the slot, 1 is the job waiting, all other values are invalid.
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* Return: The atom at that position in the ringbuffer
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* or NULL if no atom present
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*/
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struct kbase_jd_atom *kbase_gpu_inspect(struct kbase_device *kbdev, int js,
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int idx);
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/**
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* kbase_gpu_dump_slots - Print the contents of the slot ringbuffers
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*
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* @kbdev: Device pointer
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*/
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void kbase_gpu_dump_slots(struct kbase_device *kbdev);
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#endif /* _KBASE_HWACCESS_GPU_H_ */
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